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ETNB

89bio
ETNB

Delisted

ETNB was delisted on the 29th of October, 2025.

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67 hedge funds and large institutions have $400M invested in 89bio in 2021 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 24 increasing their positions, 21 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

14% more repeat investments, than reductions

Existing positions increased: 24 | Existing positions reduced: 21

12% more call options, than puts

Call options by funds: $539K | Put options by funds: $480K

0.7% more ownership

Funds ownership: 84.09% → 84.79% (+0.7%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

2% less capital invested

Capital invested by funds: $407M → $400M (-$6.86M)

9% less first-time investments, than exits

New positions opened: 10 | Existing positions closed: 11

1% less funds holding

Funds holding: 68 → 67 (-1)

Holders
67
Holders Change
-1
Holders Change %
-1.47%
% of All Funds
1.18%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
10
Increased
24
Reduced
21
Closed
11
Calls
$539K
Puts
$480K
Net Calls
+$59K
Net Calls Change
+$459K

Top Buyers

Rank Fund Capital Flow
1
EAM
Eventide Asset Management
Massachusetts
+$9.22M
2
PHS
Pekin Hardy Strauss
Illinois
+$4.23M
3
Verition Fund Management
Verition Fund Management
Connecticut
+$2.46M
4
Norges Bank
Norges Bank
Norway
+$1.14M
5
BlackRock
BlackRock
New York
+$985K

Top Sellers

Rank Fund Capital Flow
1
Wellington Management Group
Wellington Management Group
Massachusetts
-$3.41M
2
Morgan Stanley
Morgan Stanley
New York
-$2.28M
3
SFM
Sphera Funds Management
Israel
-$1.7M
4
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
-$1.22M
5
SSA
Schonfeld Strategic Advisors
New York
-$1.11M
Name Holding Trade Value Shares
Change 		Change in
Stake
Charles Schwab
26
Charles Schwab
California
$1.41M +$107K +4,629 +8%
Royal Bank of Canada
27
Royal Bank of Canada
Ontario, Canada
$1.4M +$2.31K +100 +0.2%
State of Wisconsin Investment Board
28
State of Wisconsin Investment Board
Wisconsin
$1.37M – – –
SCM
29
Silverarc Capital Management
Massachusetts
$1.18M +$138K +6,000 +14%
Alyeska Investment Group
30
Alyeska Investment Group
Illinois
$1.17M -$577K -25,000 -34%
Norges Bank
31
Norges Bank
Norway
$1.17M +$1.14M +49,300 New
AA
32
ALPS Advisors
Colorado
$852K +$646 +28 +0.1%
Invesco
33
Invesco
Georgia
$789K +$50.2K +2,175 +7%
Bank of America
34
Bank of America
North Carolina
$783K +$192K +8,321 +34%
GGHC
35
Gilder Gagnon Howe & Co
New York
$732K -$22.7K -983 -3%
EMG
36
ETF Managers Group
New Jersey
$675K +$117K +5,084 +22%
CL
37
CSS LLC
Illinois
$639K – – –
Goldman Sachs
38
Goldman Sachs
New York
$583K +$359K +15,536 +171%
RJA
39
Raymond James & Associates
Florida
$544K +$531K +22,985 New
GT
40
Glenmede Trust
Pennsylvania
$536K – – –
Bank of New York Mellon
41
Bank of New York Mellon
New York
$508K -$32.5K -1,409 -6%
BCM
42
Bourgeon Capital Management
Connecticut
$431K +$238K +10,300 +130%
GCP
43
GSA Capital Partners
United Kingdom
$421K +$138K +5,987 +51%
Squarepoint
44
Squarepoint
New York
$415K -$520K -22,543 -56%
PMAM
45
Penn Mutual Asset Management
Pennsylvania
$383K – – –
MWNA
46
Marshall Wace North America
New York
$377K +$368K +15,923 New
Susquehanna International Group
47
Susquehanna International Group
Pennsylvania
$354K +$345K +14,968 New
PF
48
Phoenix Financial
Israel
$336K -$672K -29,101 -67%
CSS
49
Cubist Systematic Strategies
Connecticut
$321K +$313K +13,560 New
California Public Employees Retirement System
50
California Public Employees Retirement System
California
$313K -$37.1K -1,607 -11%
1
2
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ETNB Hedge Fund Activity: Q1 2021 in Review

67 of the 5,696 institutional investors tracked by Wall St. Rank reported a position in 89bio (ETNB) for Q1 2021, worth a combined $400M — down 1.7% from $407M a quarter earlier.

Sellers outnumbered buyers: 11 funds closed out of ETNB and 10 opened new positions — a net loss of 1 holder — while 21 trimmed existing stakes and 24 added.

The largest buyer was Eventide Asset Management, adding an estimated $9.22M. The largest seller was Wellington Management Group, cutting an estimated $3.41M.

  • 67 institutional investors held 89bio (ETNB) as of Q1 2021, down from 68 in Q4 2020.
  • Funds reported $400M of 89bio stock for Q1 2021, down 1.7% quarter-over-quarter.
  • 10 funds opened new 89bio positions in Q1 2021 and 11 closed out, a net change of -1 holder.
  • The largest 89bio buyer in Q1 2021 was Eventide Asset Management, an estimated $9.22M added.
  • The largest 89bio seller in Q1 2021 was Wellington Management Group, an estimated $3.41M sold.

Based on aggregated 13F filings for Q1 2021.